US 12,233,303 B2
Carriage assembly and weightlifting assembly including a carriage assembly
Martin Pritchett, Columbus, OH (US)
Assigned to Coulter Ventures, LLC., Columbus, OH (US)
Filed by Coulter Ventures, LLC., Columbus, OH (US)
Filed on May 27, 2022, as Appl. No. 17/826,747.
Claims priority of provisional application 63/193,923, filed on May 27, 2021.
Prior Publication US 2022/0379157 A1, Dec. 1, 2022
Int. Cl. A63B 21/062 (2006.01)
CPC A63B 21/0626 (2015.10) [A63B 2225/09 (2013.01)] 31 Claims
OG exemplary drawing
 
1. An adjustable carriage assembly comprising:
a carriage defining a passage configured to receive a frame member therethrough such that the carriage is moveable along the frame member; and
a locking structure configured for engaging the frame member to lock the carriage in position relative to the frame member, wherein the locking structure comprises:
a main pin connected to the carriage that is moveable between a locked position, where the main pin extends into the passage and is configured to engage the frame member to lock the carriage in position, and an unlocked position, where the main pin is retracted from the passage and is configured to disengage from the frame member, the main pin having a first engagement member configured to be manipulated by a user to move the main pin between the locked position and the unlocked position; and
an auxiliary pin connected to the carriage that is moveable between a locked position, where the auxiliary pin extends into the passage and is configured to engage the frame member to lock the carriage in position, and an unlocked position, where the auxiliary pin is retracted from the passage and is configured to disengage from the frame member, the auxiliary pin having a second engagement member configured to be manipulated by the user to move the auxiliary pin between the locked position and the unlocked position,
wherein the first engagement member is immediately adjacent to the second engagement member, and wherein movement of both the main pin and the auxiliary pin to the unlocked positions allows movement of the carriage with respect to the frame member.